19. A bag contains three green marbles, four blue marbles and two orange marbles. If a marble is
picked at random, then the probability that it is a green marble is
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Answer:
7/9
Step-by-step explanation:
Total number of marbles
= 3 +4 +2
= 9
Total no. of favourable cases
=3+4
=7
P (not an orange marble) = 7/9
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